package com.beiding.sb.type;

/*
    操作符类型
    操作符类型是可拓展的
 */
public abstract class OperationType {

    //内置几个常见类型
    public static final OperationType plus = create();
    public static final OperationType eq = create();
    public static final OperationType gt = create();
    public static final OperationType lt = create();

    private static OperationType create() {
        return new OperationType() {
        };
    }

}
